$129 Cheap Alaska Airlines flights from Boston to Seattle (BOS to SEA)

Find The Best Day To Fly from Boston to Seattle

Amazing Alaska Airlines BOS to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $246 round trip and $129 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Logan Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) right now?
For any present Seattle - Tacoma Intl. Airport (SEA) travel advice and quarantine requirements, visit the Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up en route.
What terminal is Alaska Airlines at Logan Intl. Airport?
Flights mostly take off from terminal B at BOS if you’ve booked a ticket with Alaska Airlines. Traveling to Sea-Tac Airport? Touch base with your airline (or do some online research) to find out which terminal you’ll be exiting the plane at.
Are there Alaska Airlines non-stop flights from BOS to SEA?
Direct flights can be booked with Alaska Airlines, which means you’ll be able to fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) fast. Those thrilling travel experiences you’re craving are a hassle-free flight away.
How long is an Alaska Airlines flight from BOS to SEA?
Watch your favorite TV show, listen to music through your headphones or just recline your seat and forget your worries. Whatever interests you, find a way to while away the 7 hours and 11 minutes that it takes to travel from BOS to SEA with Alaska Airlines.
What type of aircraft does Alaska Airlines fly from BOS to SEA?
Reserved a seat with Alaska Airlines from BOS to SEA? The Boeing 737 MAX 9 and the Boeing 737-800 are the two aircraft models that usually grace the skies on this air route.
How many direct and indirect flights does Alaska Airlines fly from BOS to SEA?
You can take your pick of around 4 flights each day with Alaska Airlines from Logan Intl. Airport (BOS) to SEA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Sea-Tac Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart BOSArrive SEAFri
3/29
Sat
3/30
Sun
3/31
Mon
4/1
Tue
4/2
Wed
4/3
Thu
4/4
Stops
AS45907:00 am10:20 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AS34908:45 am00:05 pmCheck FareCheck FareCheck FareCheck FareCheck Fare
-
-
0 Stops
AS31705:50 pm09:10 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Discover our best Alaska Airlines flight from Boston BOS to Seattle SEA 

To find the best deals on flights to Boston from Seattle with Alaska Airlines, just enter your travel dates, filter by Alaska Airlines, and hit search. You’ll find 2 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Boston BOS to Seattle SEA with Alaska Airlines 

If you’re planning a round trip, booking return flights with Alaska Airlines is usually the most cost-effective option. With airfares ranging from $246 to $277, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Alaska Airlines flights from Boston BOS to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Alaska Airlines flight from Boston to Seattle costs from $129. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Boston BOS with Alaska Airlines 

To find a cheap Alaska Airlines flight from Boston BOS to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Alaska Airlines flights from Boston BOS to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as April, or if you book a flight with a stopover. 

 

Find nonstop flights from Boston BOS to Seattle SEA with Alaska Airlines 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct Alaska Airlines flights only. The journey takes around 6 hour(s) 20 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Alaska Airlines flights from Boston BOS to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Boston BOS with Alaska Airlines on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Alaska Airlines Airports
Hop on a(n) Alaska Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
SEAUSASeattle - Tacoma Intl.115
ORDUSAO'Hare Intl.44
LAXUSALos Angeles Intl.24
PDXUSAPortland Intl.23
ANCUSATed Stevens Anchorage Intl.22
SFOUSASan Francisco Intl.21
SANUSASan Diego Intl.18
JNUUSAJuneau Intl.10
SJCUSANorman Y. Mineta San Jose Intl.10
GEGUSASpokane Intl.7

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